Affiliation:
1. Department of Bacteriology, School of Medicine, Kanazawa University, Kanazawa, Japan
Abstract
Nishida
, S. (Kanazawa University, Kanazawa, Japan), K.
Tamai, and T. Yamagishi
. Taxonomy of
Clostridium bifermentans
and
Clostridium sordellii
. I. Their toxigenicity, urease activity, and sporulating potency. J. Bacteriol.
88:
1641–1646. 1964.—Strains with properties similar to those of
Clostridium bifermentans
were usually obtained by selecting heat-resistant substrains of
C. sordellii
1734. Heat-resistant substrains obtained from seven other strains were also found to be nontoxic. Some of these heat-resistant substrains produced urease, but others did not. Substrains of typical cultures of
C. sordellii
thus can yield either substrains resembling nonpathogenic strains of
C. sordellii
culturally, or substrains resembling
C. bifermentans
. The sporulating potency of pathogenic and nonpathogenic strains of
C. sordellii
and strains of
C. bifermentans
proved to be significantly distinct. The sporulating potency of
C. bifermentans
was high, that of pathogenic strains of
C. sordellii
was low, and that of nonpathogenic strains of
C. sordellii
was intermediate between the other two.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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